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1 | /* |
2 | * Copyright (C) 2008-2009 Till Harbaum <till@harbaum.org>. |
3 | * |
4 | * This file is part of GPXView. |
5 | * |
6 | * GPXView is free software: you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation, either version 3 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * GPXView is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with GPXView. If not, see <http://www.gnu.org/licenses/>. |
18 | */ |
19 | |
20 | #include "gpxview.h" |
21 | #include <math.h> // for isnan |
22 | |
23 | #ifdef ENABLE_OSM_GPS_MAP |
24 | #include "osm-gps-map.h" |
25 | #endif |
26 | |
27 | #define MAP_SOURCE OSM_GPS_MAP_SOURCE_OPENSTREETMAP |
28 | #define GPS_DEFAULT_ZOOM 13 |
29 | |
30 | /* equatorial radius in meters */ |
31 | #define EQ_RADIUS (6378137.0) |
32 | |
33 | #define RAD2DEG(a) (((a)*180.0)/M_PI) |
34 | #define DEG2RAD(a) (((a)*M_PI)/180.0) |
35 | |
36 | #define PROXY_KEY "/system/http_proxy/" |
37 | |
38 | static const char *get_proxy_uri(appdata_t *appdata) { |
39 | static char proxy_buffer[64] = ""; |
40 | |
41 | /* use environment settings if preset */ |
42 | const char *proxy = g_getenv("http_proxy"); |
43 | if(proxy) { |
44 | printf("http_proxy: %s\n", proxy); |
45 | return proxy; |
46 | } |
47 | |
48 | /* ------------- get proxy settings -------------------- */ |
49 | if(gconf_client_get_bool(appdata->gconf_client, |
50 | PROXY_KEY "use_http_proxy", NULL)) { |
51 | |
52 | /* we can savely ignore things like "ignore_hosts" since we */ |
53 | /* are pretty sure not inside the net of one of our map renderers */ |
54 | /* (unless the user works at google :-) */ |
55 | |
56 | /* get basic settings */ |
57 | char *host = |
58 | gconf_client_get_string(appdata->gconf_client, PROXY_KEY "host", NULL); |
59 | if(host) { |
60 | int port = |
61 | gconf_client_get_int(appdata->gconf_client, PROXY_KEY "port", NULL); |
62 | |
63 | snprintf(proxy_buffer, sizeof(proxy_buffer), |
64 | "http://%s:%u", host, port); |
65 | |
66 | g_free(host); |
67 | } |
68 | return proxy_buffer; |
69 | } |
70 | |
71 | return NULL; |
72 | } |
73 | |
74 | static void map_zoom(map_context_t *context, int step) { |
75 | gint zoom; |
76 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
77 | g_object_get(map, "zoom", &zoom, NULL); |
78 | zoom = osm_gps_map_set_zoom(map, zoom+step); |
79 | |
80 | /* enable/disable zoom buttons as required */ |
81 | gtk_widget_set_sensitive(context->zoomin, |
82 | zoom < osm_gps_map_source_get_max_zoom(MAP_SOURCE)); |
83 | gtk_widget_set_sensitive(context->zoomout, |
84 | zoom > osm_gps_map_source_get_min_zoom(MAP_SOURCE)); |
85 | |
86 | /* hmm ... this doesn't really work */ |
87 | osm_gps_map_osd_speed(map, zoom); |
88 | |
89 | /* save new zoom */ |
90 | context->appdata->map.zoom = zoom; |
91 | } |
92 | |
93 | static gboolean |
94 | cb_map_zoomin(GtkButton *button, map_context_t *context) { |
95 | map_zoom(context, +1); |
96 | return FALSE; |
97 | } |
98 | |
99 | static gboolean |
100 | cb_map_zoomout(GtkButton *button, map_context_t *context) { |
101 | map_zoom(context, -1); |
102 | return FALSE; |
103 | } |
104 | |
105 | static gboolean |
106 | cb_map_gps(GtkButton *button, map_context_t *context) { |
107 | pos_t *refpos = get_pos(context->appdata); |
108 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
109 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
110 | refpos->lat, refpos->lon, GPS_DEFAULT_ZOOM); |
111 | } else { |
112 | /* no coordinates given: display the entire world */ |
113 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
114 | 0.0, 0.0, 1); |
115 | } |
116 | |
117 | return FALSE; |
118 | } |
119 | |
120 | static GtkWidget |
121 | *map_add_button(int icon, GCallback cb, gpointer data, |
122 | char *tooltip) { |
123 | GtkWidget *button = gtk_button_new(); |
124 | gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, icon)); |
125 | g_signal_connect(button, "clicked", cb, data); |
126 | #ifndef USE_MAEMO |
127 | gtk_widget_set_tooltip_text(button, tooltip); |
128 | #endif |
129 | return button; |
130 | } |
131 | |
132 | static int dist2pixel(map_context_t *context, float km, float lat) { |
133 | return 1000.0*km/osm_gps_map_get_scale(OSM_GPS_MAP(context->widget)); |
134 | } |
135 | |
136 | static gboolean map_gps_update(gpointer data) { |
137 | map_context_t *context = (map_context_t*)data; |
138 | |
139 | /* get reference position ... */ |
140 | pos_t *refpos = get_pos(context->appdata); |
141 | gboolean ok = (refpos!= NULL) && !isnan(refpos->lat) && !isnan(refpos->lon); |
142 | |
143 | /* ... and enable "goto" button if it's valid */ |
144 | gtk_widget_set_sensitive(context->gps, ok); |
145 | |
146 | if(ok) { |
147 | float heading = NAN; |
148 | int radius = 0; |
149 | |
150 | if(context->appdata->use_gps) { |
151 | heading = gps_get_heading(context->appdata); |
152 | |
153 | /* get error */ |
154 | float eph = gps_get_eph(context->appdata); |
155 | if(!isnan(eph)) |
156 | radius = dist2pixel(context, eph/1000, refpos->lat); |
157 | } |
158 | |
159 | g_object_set(context->widget, "gps-track-highlight-radius", radius, NULL); |
160 | osm_gps_map_draw_gps(OSM_GPS_MAP(context->widget), |
161 | refpos->lat, refpos->lon, heading); |
162 | } else |
163 | osm_gps_map_clear_gps(OSM_GPS_MAP(context->widget)); |
164 | |
165 | return TRUE; |
166 | } |
167 | |
168 | static gboolean on_map_configure(GtkWidget *widget, |
169 | GdkEventConfigure *event, |
170 | map_context_t *context) { |
171 | |
172 | /* set default values if they are invalid */ |
173 | if(!context->appdata->map.zoom || |
174 | isnan(context->appdata->map.pos.lat) || |
175 | isnan(context->appdata->map.pos.lon)) { |
176 | printf("no valid map position found\n"); |
177 | |
178 | pos_t *refpos = get_pos(context->appdata); |
179 | if(refpos && !isnan(refpos->lat) && !isnan(refpos->lon)) { |
180 | /* use gps position if present */ |
181 | context->appdata->map.pos = *refpos; |
182 | context->appdata->map.zoom = GPS_DEFAULT_ZOOM; |
183 | } else { |
184 | /* use world map otherwise */ |
185 | context->appdata->map.pos.lat = 0.0; |
186 | context->appdata->map.pos.lon = 0.0; |
187 | context->appdata->map.zoom = 1; |
188 | } |
189 | } |
190 | |
191 | /* jump to initial position */ |
192 | osm_gps_map_set_mapcenter(OSM_GPS_MAP(context->widget), |
193 | context->appdata->map.pos.lat, |
194 | context->appdata->map.pos.lon, |
195 | context->appdata->map.zoom); |
196 | |
197 | return FALSE; |
198 | } |
199 | |
200 | static void map_draw_cachelist(GtkWidget *map, cache_t *cache) { |
201 | while(cache) { |
202 | GdkPixbuf *icon = icon_get(ICON_CACHE_TYPE, cache->type); |
203 | |
204 | osm_gps_map_add_image(OSM_GPS_MAP(map), |
205 | cache->pos.lat, cache->pos.lon, icon); |
206 | |
207 | cache = cache->next; |
208 | } |
209 | } |
210 | |
211 | /* draw a nice popup */ |
212 | typedef struct { |
213 | appdata_t *appdata; |
214 | GtkWidget *window; |
215 | GMainLoop *loop; |
216 | cache_t *cache; |
217 | } popup_context_t; |
218 | |
219 | /* draw shape */ |
220 | #define ARROW_BORDER 20 |
221 | #define CORNER_RADIUS 10 |
222 | |
223 | #ifndef USE_MAEMO |
224 | #define POPUP_WIDTH 300 |
225 | #define POPUP_HEIGHT 100 |
226 | #else |
227 | #define POPUP_WIDTH 360 |
228 | #define POPUP_HEIGHT 120 |
229 | #endif |
230 | |
231 | static gboolean |
232 | pointer_in_window(GtkWidget *widget, gint x_root, gint y_root) { |
233 | if(GTK_WIDGET_MAPPED(gtk_widget_get_toplevel(widget))) { |
234 | gint window_x, window_y; |
235 | |
236 | gdk_window_get_position(gtk_widget_get_toplevel(widget)->window, |
237 | &window_x, &window_y); |
238 | |
239 | if(x_root >= window_x && x_root < window_x + widget->allocation.width && |
240 | y_root >= window_y && y_root < window_y + widget->allocation.height) |
241 | return TRUE; |
242 | } |
243 | |
244 | return FALSE; |
245 | } |
246 | |
247 | static gboolean |
248 | on_button_press_event(GtkWidget *widget, |
249 | GdkEventButton *event, popup_context_t *context) { |
250 | gboolean in = pointer_in_window(widget, event->x_root, event->y_root); |
251 | |
252 | printf("overlay button press (in = %d)\n", in); |
253 | return !in; |
254 | } |
255 | |
256 | static gboolean |
257 | on_button_release_event(GtkWidget *widget, |
258 | GdkEventButton *event, popup_context_t *context) { |
259 | gboolean in = pointer_in_window(widget, event->x_root, event->y_root); |
260 | |
261 | printf("overlay button release (in = %d)\n", in); |
262 | |
263 | if(!in) { |
264 | printf("destroying popup\n"); |
265 | gtk_widget_destroy(gtk_widget_get_toplevel(widget)); |
266 | } |
267 | |
268 | return !in; |
269 | } |
270 | |
271 | static void |
272 | shutdown_loop(popup_context_t *context) { |
273 | if(g_main_loop_is_running(context->loop)) |
274 | g_main_loop_quit(context->loop); |
275 | } |
276 | |
277 | static gint |
278 | run_delete_handler(GtkWindow *window, GdkEventAny *event, |
279 | popup_context_t *context) { |
280 | shutdown_loop(context); |
281 | return TRUE; /* Do not destroy */ |
282 | } |
283 | |
284 | static void |
285 | run_destroy_handler(GtkWindow *window, popup_context_t *context) { |
286 | /* shutdown_loop will be called by run_unmap_handler */ |
287 | printf("popup destroyed\n"); |
288 | } |
289 | |
290 | static void |
291 | run_unmap_handler(GtkWindow *window, popup_context_t *context) { |
292 | shutdown_loop(context); |
293 | } |
294 | |
295 | static void popup_window_shape(GtkWidget *window, int tip_x, int tip_y) { |
296 | GdkBitmap *mask = gdk_pixmap_new(NULL, POPUP_WIDTH, POPUP_HEIGHT, 1); |
297 | |
298 | GdkGC *gc = gdk_gc_new(mask); |
299 | GdkColormap *colormap; |
300 | GdkColor black; |
301 | GdkColor white; |
302 | |
303 | /* get black/white color values */ |
304 | colormap = gdk_colormap_get_system(); |
305 | gdk_color_black(colormap, &black); |
306 | gdk_color_white(colormap, &white); |
307 | |
308 | /* erase */ |
309 | gdk_gc_set_foreground(gc, &black); |
310 | gdk_gc_set_background(gc, &white); |
311 | |
312 | /* erase background */ |
313 | gdk_draw_rectangle(mask, gc, TRUE, 0, 0, POPUP_WIDTH, POPUP_HEIGHT); |
314 | |
315 | gdk_gc_set_foreground(gc, &white); |
316 | gdk_gc_set_background(gc, &black); |
317 | |
318 | /* the tip is always above or below the "bubble" but never at its side */ |
319 | guint tip_offset = (tip_y == 0)?ARROW_BORDER:0; |
320 | |
321 | gdk_draw_rectangle(mask, gc, TRUE, |
322 | 0, tip_offset + CORNER_RADIUS, |
323 | POPUP_WIDTH, |
324 | POPUP_HEIGHT - 2*CORNER_RADIUS - ARROW_BORDER); |
325 | |
326 | gdk_draw_rectangle(mask, gc, TRUE, |
327 | CORNER_RADIUS, tip_offset, |
328 | POPUP_WIDTH - 2*CORNER_RADIUS, |
329 | POPUP_HEIGHT - ARROW_BORDER); |
330 | |
331 | int off[][2] = { |
332 | { CORNER_RADIUS, tip_offset + CORNER_RADIUS }, |
333 | { POPUP_WIDTH - CORNER_RADIUS, tip_offset + CORNER_RADIUS }, |
334 | { POPUP_WIDTH - CORNER_RADIUS, |
335 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}, |
336 | { CORNER_RADIUS, |
337 | POPUP_HEIGHT - CORNER_RADIUS - ARROW_BORDER + tip_offset}}; |
338 | |
339 | int i; |
340 | for(i=0;i<4;i++) { |
341 | gdk_draw_arc(mask, gc, TRUE, |
342 | off[i][0]-CORNER_RADIUS, off[i][1]-CORNER_RADIUS, |
343 | 2*CORNER_RADIUS, 2*CORNER_RADIUS, |
344 | 0, 360*64); |
345 | } |
346 | |
347 | GdkPoint points[3] = { {POPUP_WIDTH*1/3, POPUP_HEIGHT/2}, |
348 | {POPUP_WIDTH*2/3, POPUP_HEIGHT/2}, |
349 | {tip_x,tip_y} }; |
350 | gdk_draw_polygon(mask, gc, TRUE, points, 3); |
351 | |
352 | |
353 | gdk_window_shape_combine_mask(window->window, mask, 0, 0); |
354 | } |
355 | |
356 | /* create a left aligned label (normal ones are centered) */ |
357 | static GtkWidget *gtk_label_left_new(char *str) { |
358 | GtkWidget *label = gtk_label_new(str); |
359 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); |
360 | return label; |
361 | } |
362 | |
363 | /* the small labels are actually only on maemo small */ |
364 | #ifdef USE_MAEMO |
365 | #define MARKUP_SMALL "<span size='small'>%s</span>" |
366 | GtkWidget *gtk_label_small_left_new(char *str) { |
367 | GtkWidget *label = gtk_label_new(""); |
368 | char *markup = g_markup_printf_escaped(MARKUP_SMALL, str); |
369 | gtk_label_set_markup(GTK_LABEL(label), markup); |
370 | g_free(markup); |
371 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); |
372 | return label; |
373 | } |
374 | #define gtk_label_big_left_new(a) gtk_label_left_new(a) |
375 | #else |
376 | #define gtk_label_small_left_new(a) gtk_label_left_new(a) |
377 | #define MARKUP_BIG "<span size='x-large'>%s</span>" |
378 | GtkWidget *gtk_label_big_left_new(char *str) { |
379 | GtkWidget *label = gtk_label_new(""); |
380 | char *markup = g_markup_printf_escaped(MARKUP_BIG, str); |
381 | gtk_label_set_markup(GTK_LABEL(label), markup); |
382 | g_free(markup); |
383 | gtk_misc_set_alignment(GTK_MISC(label), 0.f, .5f); |
384 | return label; |
385 | } |
386 | #endif |
387 | |
388 | static gboolean |
389 | on_cache_button_clicked(GtkButton *button, popup_context_t *context) { |
390 | printf("clicked %s\n", context->cache->name); |
391 | return FALSE; |
392 | } |
393 | |
394 | void cache_popup(map_context_t *mcontext, cache_t *cache) { |
395 | popup_context_t pcontext; |
396 | pcontext.appdata = mcontext->appdata; |
397 | pcontext.cache = cache; |
398 | |
399 | pcontext.window = gtk_window_new(GTK_WINDOW_POPUP); |
400 | gtk_widget_realize(pcontext.window); |
401 | gtk_window_set_default_size(GTK_WINDOW(pcontext.window), |
402 | POPUP_WIDTH, POPUP_HEIGHT); |
403 | gtk_window_resize(GTK_WINDOW(pcontext.window), POPUP_WIDTH, POPUP_HEIGHT); |
404 | // gtk_window_set_resizable(GTK_WINDOW(pcontext.window), FALSE); |
405 | gtk_window_set_transient_for(GTK_WINDOW(pcontext.window), |
406 | GTK_WINDOW(mcontext->appdata->window)); |
407 | gtk_window_set_keep_above(GTK_WINDOW(pcontext.window), TRUE); |
408 | gtk_window_set_destroy_with_parent(GTK_WINDOW(pcontext.window), TRUE); |
409 | gtk_window_set_gravity(GTK_WINDOW(pcontext.window), GDK_GRAVITY_STATIC); |
410 | gtk_window_set_modal(GTK_WINDOW(pcontext.window), TRUE); |
411 | |
412 | /* connect events */ |
413 | g_signal_connect(G_OBJECT(pcontext.window), "button-press-event", |
414 | G_CALLBACK(on_button_press_event), &pcontext); |
415 | g_signal_connect(G_OBJECT(pcontext.window), "button-release-event", |
416 | G_CALLBACK(on_button_release_event), &pcontext); |
417 | g_signal_connect(G_OBJECT(pcontext.window), "delete-event", |
418 | G_CALLBACK(run_delete_handler), &pcontext); |
419 | g_signal_connect(G_OBJECT(pcontext.window), "destroy", |
420 | G_CALLBACK(run_destroy_handler), &pcontext); |
421 | g_signal_connect(G_OBJECT(pcontext.window), "unmap", |
422 | G_CALLBACK(run_unmap_handler), &pcontext); |
423 | |
424 | gdk_pointer_grab(pcontext.window->window, TRUE, |
425 | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_MOTION_MASK, |
426 | NULL, NULL, GDK_CURRENT_TIME); |
427 | gtk_grab_add(pcontext.window); |
428 | |
429 | /* check whether cache is in upper or lower half of window */ |
430 | gint x, y, sx, sy; |
431 | osm_gps_map_geographic_to_screen(OSM_GPS_MAP(mcontext->widget), |
432 | cache->pos.lat, cache->pos.lon, |
433 | &sx, &sy); |
434 | |
435 | gdk_window_get_origin(mcontext->widget->window, &x, &y); |
436 | |
437 | gint ax = 0, ay = 0; |
438 | if(sx > mcontext->widget->allocation.width/2) |
439 | ax = POPUP_WIDTH; |
440 | |
441 | if(sy > mcontext->widget->allocation.height/2) |
442 | ay = POPUP_HEIGHT; |
443 | |
444 | #if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5) |
445 | GdkColor color; |
446 | gdk_color_parse("darkgray", &color); |
447 | gtk_widget_modify_bg(GTK_WIDGET(pcontext.window), GTK_STATE_NORMAL, &color); |
448 | #endif |
449 | |
450 | gtk_window_move(GTK_WINDOW(pcontext.window), |
451 | x + mcontext->widget->allocation.x + sx - ax, |
452 | y + mcontext->widget->allocation.y + sy - ay); |
453 | |
454 | |
455 | GtkWidget *alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0); |
456 | gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), |
457 | CORNER_RADIUS/2 + (ay?0:ARROW_BORDER), |
458 | CORNER_RADIUS/2 + (ay?ARROW_BORDER:0), |
459 | CORNER_RADIUS, CORNER_RADIUS); |
460 | |
461 | /* --- actual content ---- */ |
462 | GtkWidget *vbox = gtk_vbox_new(FALSE, 0); |
463 | GtkWidget *hbox = gtk_hbox_new(FALSE, 0); |
464 | |
465 | gtk_box_pack_start(GTK_BOX(hbox), |
466 | icon_get_widget(ICON_CACHE_TYPE, cache->type), |
467 | FALSE, FALSE, 5); |
468 | |
469 | if(cache->id) |
470 | gtk_box_pack_start_defaults(GTK_BOX(hbox), |
471 | gtk_label_big_left_new(cache->id)); |
472 | |
473 | #if 0 |
474 | GtkWidget *button = gtk_button_new(); |
475 | gtk_button_set_image(GTK_BUTTON(button), icon_get_widget(ICON_MISC, 12)); |
476 | g_signal_connect(button, "clicked", |
477 | G_CALLBACK(on_cache_button_clicked), &pcontext); |
478 | gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0); |
479 | #endif |
480 | |
481 | gtk_box_pack_start_defaults(GTK_BOX(vbox), hbox); |
482 | |
483 | if(cache->name) { |
484 | GtkWidget *label = gtk_label_small_left_new(cache->name); |
485 | gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END); |
486 | gtk_box_pack_start_defaults(GTK_BOX(vbox), label); |
487 | } |
488 | |
489 | hbox = gtk_hbox_new(FALSE, 0); |
490 | if(cache->terrain) { |
491 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); |
492 | gtk_box_pack_start(GTK_BOX(ihbox), |
493 | gtk_label_small_left_new(_("Terrain:")), FALSE, FALSE, 0); |
494 | gtk_box_pack_start(GTK_BOX(ihbox), |
495 | icon_get_widget(ICON_STARS, (int)(cache->terrain*2-2)), |
496 | FALSE, FALSE, 5); |
497 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); |
498 | } |
499 | |
500 | if(cache->difficulty) { |
501 | GtkWidget *ihbox = gtk_hbox_new(FALSE, 0); |
502 | gtk_box_pack_start(GTK_BOX(ihbox), |
503 | gtk_label_small_left_new(_("Difficulty:")), FALSE, FALSE, 0); |
504 | gtk_box_pack_start(GTK_BOX(ihbox), |
505 | icon_get_widget(ICON_STARS, (int)(cache->difficulty*2-2)), |
506 | FALSE, FALSE, 5); |
507 | gtk_box_pack_start_defaults(GTK_BOX(hbox), ihbox); |
508 | } |
509 | |
510 | gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0); |
511 | |
512 | gtk_container_add(GTK_CONTAINER(alignment), vbox); |
513 | /* ----------------------- */ |
514 | |
515 | |
516 | gtk_container_add(GTK_CONTAINER(pcontext.window), alignment); |
517 | |
518 | /* give window its shape */ |
519 | popup_window_shape(pcontext.window, ax, ay); |
520 | |
521 | gtk_widget_show_all(pcontext.window); |
522 | |
523 | /* handle this popup until it's gone */ |
524 | |
525 | pcontext.loop = g_main_loop_new(NULL, FALSE); |
526 | |
527 | GDK_THREADS_LEAVE(); |
528 | g_main_loop_run(pcontext.loop); |
529 | GDK_THREADS_ENTER(); |
530 | |
531 | g_main_loop_unref(pcontext.loop); |
532 | |
533 | printf("cache popup removed\n"); |
534 | } |
535 | |
536 | static void |
537 | map_cachelist_nearest(cache_t *cache, pos_t *pos, |
538 | cache_t **result, float *distance) { |
539 | while(cache) { |
540 | float dist = |
541 | pow(cache->pos.lat - pos->lat, 2) + |
542 | pow(cache->pos.lon - pos->lon, 2); |
543 | |
544 | if(!(dist > *distance)) { |
545 | *result = cache; |
546 | *distance = dist; |
547 | } |
548 | |
549 | cache = cache->next; |
550 | } |
551 | } |
552 | |
553 | static cache_t *map_closest(map_context_t *context, pos_t *pos) { |
554 | cache_t *result = NULL; |
555 | float distance = NAN; |
556 | |
557 | #ifdef USE_MAEMO |
558 | if(!context->appdata->cur_gpx) { |
559 | #endif |
560 | /* search all geocaches */ |
561 | gpx_t *gpx = context->appdata->gpx; |
562 | while(gpx) { |
563 | map_cachelist_nearest(gpx->cache, pos, &result, &distance); |
564 | gpx = gpx->next; |
565 | } |
566 | #ifdef USE_MAEMO |
567 | } else { |
568 | map_cachelist_nearest(context->appdata->cur_gpx->cache, |
569 | pos, &result, &distance); |
570 | } |
571 | #endif |
572 | |
573 | return result; |
574 | } |
575 | |
576 | /* translate between osm-gps-map positions and gpxview ones */ |
577 | pos_t coord2pos(coord_t coo) { |
578 | pos_t pos; |
579 | pos.lat = RAD2DEG(coo.rlat); |
580 | pos.lon = RAD2DEG(coo.rlon); |
581 | return pos; |
582 | } |
583 | |
584 | #define CLICK_FUZZ (24) |
585 | |
586 | static gboolean |
587 | on_map_button_press_event(GtkWidget *widget, |
588 | GdkEventButton *event, map_context_t *context) { |
589 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
590 | |
591 | /* got a press event without release event? eat it! */ |
592 | if(context->press_on != NULL) { |
593 | printf("PRESS: already\n"); |
594 | return TRUE; |
595 | } |
596 | |
597 | pos_t pos = |
598 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
599 | |
600 | cache_t *nearest = map_closest(context, &pos); |
601 | if(nearest) { |
602 | float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE); |
603 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
604 | context->press_on = nearest; |
605 | } |
606 | |
607 | return FALSE; |
608 | } |
609 | |
610 | static gboolean |
611 | on_map_button_release_event(GtkWidget *widget, |
612 | GdkEventButton *event, map_context_t *context) { |
613 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
614 | |
615 | if(context->press_on) { |
616 | pos_t pos = |
617 | coord2pos(osm_gps_map_get_co_ordinates(map, event->x, event->y)); |
618 | |
619 | cache_t *nearest = map_closest(context, &pos); |
620 | if(nearest && nearest == context->press_on) { |
621 | float dist = gpx_pos_get_distance(pos, nearest->pos, FALSE); |
622 | if(dist2pixel(context, dist, nearest->pos.lat) < CLICK_FUZZ) |
623 | cache_popup(context, nearest); |
624 | } |
625 | context->press_on = NULL; |
626 | } else { |
627 | /* save new map position */ |
628 | gfloat lat, lon; |
629 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
630 | context->appdata->map.pos.lat = lat; |
631 | context->appdata->map.pos.lon = lon; |
632 | } |
633 | |
634 | return FALSE; |
635 | } |
636 | |
637 | static void on_window_destroy(GtkWidget *widget, map_context_t *context) { |
638 | appdata_t *appdata = context->appdata; |
639 | |
640 | printf("destroy map window\n"); |
641 | |
642 | /* save map parameters */ |
643 | OsmGpsMap *map = OSM_GPS_MAP(context->widget); |
644 | gint zoom; |
645 | g_object_get(map, "zoom", &zoom, NULL); |
646 | context->appdata->map.zoom = zoom; |
647 | |
648 | gfloat lat, lon; |
649 | g_object_get(map, "latitude", &lat, "longitude", &lon, NULL); |
650 | context->appdata->map.pos.lat = lat; |
651 | context->appdata->map.pos.lon = lon; |
652 | |
653 | #if MAEMO_VERSION_MAJOR == 5 |
654 | /* restore cur_view */ |
655 | context->appdata->cur_view = context->old_view; |
656 | #endif |
657 | |
658 | gtk_timeout_remove(context->handler_id); |
659 | |
660 | g_free(context); |
661 | appdata->map.context = NULL; |
662 | } |
663 | |
664 | void map(appdata_t *appdata) { |
665 | map_context_t *context = NULL; |
666 | |
667 | /* if the map window already exists, just raise it */ |
668 | if(appdata->map.context) { |
669 | gtk_window_present(GTK_WINDOW(appdata->map.context->window)); |
670 | return; |
671 | } |
672 | |
673 | context = appdata->map.context = g_new0(map_context_t, 1); |
674 | context->appdata = appdata; |
675 | |
676 | GtkWidget *hbox = gtk_hbox_new(FALSE, 0); |
677 | |
678 | char *path = g_strdup_printf("%s/map/", appdata->image_path); |
679 | const char *proxy = get_proxy_uri(appdata); |
680 | |
681 | context->widget = g_object_new(OSM_TYPE_GPS_MAP, |
682 | "map-source", MAP_SOURCE, |
683 | "tile-cache", path, |
684 | "auto-center", FALSE, |
685 | "record-trip-history", FALSE, |
686 | "show-trip-history", FALSE, |
687 | proxy?"proxy-uri":NULL, proxy, |
688 | NULL); |
689 | |
690 | g_free(path); |
691 | |
692 | char *name = NULL; |
693 | #ifdef USE_MAEMO |
694 | if(!appdata->cur_gpx) { |
695 | #endif |
696 | /* draw all geocaches */ |
697 | gpx_t *gpx = appdata->gpx; |
698 | while(gpx) { |
699 | map_draw_cachelist(context->widget, gpx->cache); |
700 | gpx = gpx->next; |
701 | } |
702 | name = g_strdup(_("all geocaches")); |
703 | #ifdef USE_MAEMO |
704 | } else { |
705 | map_draw_cachelist(context->widget, appdata->cur_gpx->cache); |
706 | name = g_strdup(appdata->cur_gpx->name); |
707 | } |
708 | #endif |
709 | |
710 | char *title = g_strdup_printf(_("Map - %s"), name); |
711 | g_free(name); |
712 | |
713 | #ifdef USE_MAEMO |
714 | #ifdef USE_STACKABLE_WINDOW |
715 | context->window = hildon_stackable_window_new(); |
716 | #else |
717 | context->window = hildon_window_new(); |
718 | #endif |
719 | #else |
720 | context->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
721 | #endif |
722 | |
723 | gtk_window_set_title(GTK_WINDOW(context->window), title); |
724 | |
725 | #ifndef USE_MAEMO |
726 | gtk_window_set_default_size(GTK_WINDOW(context->window), 640, 480); |
727 | #endif |
728 | |
729 | g_free(title); |
730 | |
731 | g_signal_connect(G_OBJECT(context->widget), "configure-event", |
732 | G_CALLBACK(on_map_configure), context); |
733 | |
734 | g_signal_connect(G_OBJECT(context->widget), "button-press-event", |
735 | G_CALLBACK(on_map_button_press_event), context); |
736 | |
737 | g_signal_connect(G_OBJECT(context->widget), "button-release-event", |
738 | G_CALLBACK(on_map_button_release_event), context); |
739 | |
740 | gtk_box_pack_start_defaults(GTK_BOX(hbox), context->widget); |
741 | /* zoom button box */ |
742 | GtkWidget *vbox = gtk_vbox_new(FALSE,0); |
743 | |
744 | context->zoomin = |
745 | map_add_button(10, G_CALLBACK(cb_map_zoomin), |
746 | context, _("Zoom in")); |
747 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomin, FALSE, FALSE, 0); |
748 | |
749 | context->zoomout = |
750 | map_add_button(11, G_CALLBACK(cb_map_zoomout), |
751 | context, _("Zoom out")); |
752 | gtk_box_pack_start(GTK_BOX(vbox), context->zoomout, FALSE, FALSE, 0); |
753 | |
754 | context->gps = |
755 | map_add_button(9, G_CALLBACK(cb_map_gps), |
756 | context, _("Jump to GPS position")); |
757 | gtk_widget_set_sensitive(context->gps, FALSE); |
758 | |
759 | /* install handler for timed updates of the gps button */ |
760 | context->handler_id = gtk_timeout_add(1000, map_gps_update, context); |
761 | gtk_box_pack_start(GTK_BOX(vbox), context->gps, FALSE, FALSE, 0); |
762 | |
763 | gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0); |
764 | |
765 | #if MAEMO_VERSION_MAJOR == 5 |
766 | /* prevent some of the main screen things */ |
767 | context->old_view = appdata->cur_view; |
768 | appdata->cur_view = NULL; |
769 | #endif |
770 | |
771 | g_signal_connect(G_OBJECT(context->window), "destroy", |
772 | G_CALLBACK(on_window_destroy), context); |
773 | |
774 | gtk_container_add(GTK_CONTAINER(context->window), hbox); |
775 | gtk_widget_show_all(GTK_WIDGET(context->window)); |
776 | } |